<!--
 * @Author: your name
 * @Date: 2022-02-22 14:16:08
 * @LastEditTime: 2022-02-22 14:24:42
 * @LastEditors: Please set LastEditors
 * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 * @FilePath: \briup-study\day02\盒子模型.html
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>盒子模型</title>
    <style>
       /* 选择器优先级
       import
       id
       class
       div内部最低
       */
        div{
            width: 100px;
        }
        #one{
            height: 100px;

        }
        .two{
            background-color: red;
        }
    </style>
</head>
<body>
    <div id="one " class="two" style="background-color: aqua;">aaa</div>
</body>
</html>